本文采用频响函数矩阵求逆法，辨识了立式机组动态力的幅值谱。
By using inverse matrix of frequency response function in this paper, the spectrum of dynamic forces acting on the set has been identified.
但是对于种情况，我们可以利用频响函数矩阵的某种冗余性来帮忙。
However, we can use some of the redundancy in the frequency response matrix to help with this situation.
利用优化逆系统求解驱动信号，避开了传统控制方法中直接对频响函数矩阵求逆的过程。
The optimal inverse system method is used for generating the driving signals instead of inverse calculation to the system transfer matrix directly.
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